3.3
Pump high efficiency diagnose and remedy (fig. 11/a)
LED diagnose and remedy
Led color
Meaning
Continuous green
Normal.running
Red/green blinking
Abnormal.situation.
(pump.functional.
but.stopped)
Red blinking
Stopped.(e.g..pump.
blocked)
No LED
No.power.supply
3.4
TECHNICAL DATA PLATE
SERIAL NUMBER
YEAR OF CONSTRUCTION
WATER CONTENT IN BOILER
HEAT OUTPUT MAX
MAX OPERATING PRESSURE
HEAT INPUT MAX D.H.W.
MAX OPERATING PRESSURE D.H.W.
D.H.W. FLOW RATE
MAX POWER ABSORBED
Diagnostic
Pump.run.as.
expected.or.is.faced.
to.a.phenomenon.
that.shortly.affects.
its.running
Pump.will.restart.
by.itself.after.the.
abnormal.situation.
disappeared
Reset.the.pump.
Check.LED.signal
No.voltage.
on.electronics
MODEL
HEAT INPUT MAX
CONTENTS D.H.W.
POWER SUPPLY
Signal.LED
Cause
Remedy
Normal.operation
1..Undervoltage.or.
1..Check.voltage.supply:.
Overvoltage:.
. U<160V.or.U>.253V
2..Module.overvoltage:.
2..Check.water.&.ambient.
. T°.inside.motor.too.high
Pump.cannot.restart.
Change.pump
itself.due.to.a.permanent.
failure
1).Pump.is.not.connected.
1). Check.cable.connection
to.power.supply
2).LED.is.damaged
2). Check.if.pump.is.runnning
3).Electronics.are.damaged
3). Change.pump
CODE
DIRECTIVE OF REFERENCE
PIN NUMBER
TYPE
MAX OPERATING PRESSURE
MAX OPERATING PRESSURE D.H.W.
195V<U<253V
T°
Fig..11/a
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